in the past 30 years是什么时态

in the past 30 years作时间状语时，句子要用，现在完成时或现在完成进行时，In the past thirty years汉语意思是在过去的30年里， 还可以说during /over/ for the past thirty years.I have learned many english songs for the past 3 has been teaching in the village in the past five years.